:root {
  --idx-bg: #c5ccd4;
  --idx-card: #ffffff;
  --idx-dark: #232323;
  --idx-acc: #ccff00;
  --idx-red: #e85d3b;
  --idx-rad: 24px;
  --idx-shad: 0 12px 32px rgba(0, 0, 0, 0.12);
  --idx-shad-sm: 0 4px 16px rgba(0, 0, 0, 0.08);
  --idx-glow: 0 0 20px rgba(204, 255, 0, 0.35);
  --idx-glass: rgba(255, 255, 255, 0.55);
  --idx-glass-brd: 1px solid rgba(255, 255, 255, 0.45);
}

.idx {
  margin: 24px auto;
  padding: 32px 24px 40px;
  background: linear-gradient(
    165deg,
    #a8bac8 0%,
    #91a5b4 30%,
    #7d929f 65%,
    #6e838f 100%
  );
  border-radius: var(--idx-rad);
  box-shadow: var(--idx-shad);
}

.idx-card,
.idx-hero__chart,
.idx-stat,
.idx-prnc__card {
  border-radius: var(--idx-rad);
  box-shadow: var(--idx-shad-sm);
  border: 1px solid rgba(255, 255, 255, 0.6);
}

/* hero section */
.idx-ttl {
  margin: 0 0 20px;
  font-size: clamp(32px, 5.5vw, 62px);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--idx-dark);
}

@media (min-width: 768px) {
  .idx-ttl {
    font-size: clamp(48px, 4.2vw, 64px);
    line-height: 1.05;
  }
}

.idx-acc { color: var(--idx-acc); }

.idx-desc {
  margin: 0 0 24px;
  max-width: 420px;
  font-size: 15px;
  line-height: 1.55;
  color: #444;
}

.idx-btn {
  display: inline-block;
  padding: 14px 28px;
  border-radius: 12px;
  font-weight: 700;
  font-size: 14px;
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow:
    0 4px 14px rgba(0, 0, 0, 0.28),
    inset 0 1px 0 rgba(255, 255, 255, 0.22);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.idx-hero .idx-btn {
  border-radius: 999px;
}

.idx-btn:hover {
  transform: translateY(-1px);
  box-shadow:
    0 6px 18px rgba(0, 0, 0, 0.32),
    inset 0 1px 0 rgba(255, 255, 255, 0.28);
}

.idx-btn--red {
  background: linear-gradient(180deg, #f26a4d 0%, #e85d3b 45%, #c94828 100%);
}

.idx-hero__grid {
  display: grid;
  gap: 24px;
}

.idx-hero__chart {
  background: var(--idx-glass);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: var(--idx-glass-brd);
  padding: 20px;
}

.idx-lbl {
  margin: 0 0 16px;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #666;
}

.idx-bars {
  display: flex;
  align-items: flex-end;
  gap: 10px;
  height: 120px;
}

.idx-bars span {
  flex: 1;
  background: linear-gradient(180deg, #d4ff33, #ccff00);
  border-radius: 8px 8px 0 0;
  box-shadow: var(--idx-glow);
}

@media (min-width: 768px) {
  .idx-hero__grid {
    grid-template-columns: 1fr 1fr;
    align-items: center;
  }
}

/* pokazateli section */
.idx-sec-ttl {
  margin: 40px 0 20px;
  font-size: clamp(24px, 4vw, 36px);
  font-weight: 900;
  color: var(--idx-dark);
}

.idx-stats__grid {
  display: grid;
  gap: 12px;
}

.idx-stat {
  background: var(--idx-glass);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: var(--idx-glass-brd);
  padding: 20px;
}

.idx-stat strong {
  display: block;
  font-size: 32px;
  color: var(--idx-acc);
  text-shadow: 0 0 12px rgba(204, 255, 0, 0.4);
}

.idx-stat span {
  font-size: 13px;
  color: #666;
}

@media (min-width: 768px) {
  .idx-stats__grid {
    grid-template-columns: 1.2fr 1fr 1fr;
  }
}

/* history section */
.idx-hist__grid {
  display: grid;
  gap: 16px;
}

.idx-quote {
  margin: 0;
  padding: 22px 32px 20px;
  background: linear-gradient(180deg, #efe4cc 0%, #e6d8b5 50%, #dcc9a5 100%);
  border-radius: 20px;
  border: 1px solid rgba(255, 255, 255, 0.4);
  font-style: italic;
  font-size: 15px;
  line-height: 1.55;
  color: #3d3d3d;
  box-shadow:
    0 12px 28px rgba(0, 0, 0, 0.14),
    6px 10px 22px rgba(0, 0, 0, 0.1),
    inset 0 1px 0 rgba(255, 255, 255, 0.55);
}

.idx-quote cite {
  display: block;
  margin-top: 10px;
  font-style: normal;
  font-size: 13px;
  color: #5a5a5a;
}

@media (min-width: 768px) {
  .idx-hist__grid {
    grid-template-columns: 1fr 1fr;
    align-items: start;
  }
}

/* plans section */
.idx-plans__lst {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.idx-plans__lst li {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.idx-yr {
  flex-shrink: 0;
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(145deg, #d4ff33, #b8e600);
  border-radius: 14px;
  font-weight: 900;
  font-size: 14px;
  color: #1a1a1a;
  box-shadow: var(--idx-glow);
}

.idx-plans__lst strong {
  display: block;
  margin-bottom: 4px;
}

.idx-plans__lst p {
  margin: 0;
  font-size: 13px;
  color: #555;
}

/* princhipi section */
.idx-prnc__grid {
  display: grid;
  gap: 12px;
}

.idx-prnc__card {
  background: var(--idx-card);
  padding: 20px;
}

.idx-num {
  display: inline-flex;
  width: 36px;
  height: 36px;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  font-weight: 900;
  color: #fff;
  margin-bottom: 10px;
  box-shadow:
    inset 0 2px 4px rgba(255, 255, 255, 0.25),
    0 3px 8px rgba(0, 0, 0, 0.15);
}

.idx-num--1 { background: linear-gradient(145deg, #f06a4a, #e85d3b); }
.idx-num--2 { background: linear-gradient(145deg, #d4ff33, #ccff00); color: #1a1a1a; }
.idx-num--3 { background: linear-gradient(145deg, #6ba3e0, #5b8fd4); }

@media (min-width: 768px) {
  .idx-prnc__grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* team section */
.idx-team__grid {
  display: grid;
  gap: 12px;
}

.idx-team__card {
  display: flex;
  align-items: center;
  gap: 14px;
  background: var(--idx-dark);
  color: #fff;
  border-radius: var(--idx-rad);
  padding: 16px 20px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
  border: 1px solid rgba(255, 255, 255, 0.08);
  overflow: hidden;
}

.idx-team__ava {
  width: 52px;
  height: 52px;
  min-width: 52px;
  flex-shrink: 0;
  border-radius: 50%;
  overflow: hidden;
  background: #333;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.35);
}

.idx-team__photo {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.idx-team__info strong {
  display: block;
  font-size: 15px;
  margin-bottom: 2px;
}

.idx-team__card span,
.idx-team__info span {
  display: block;
  font-size: 12px;
  color: #aaa;
}

@media (min-width: 768px) {
  .idx-team__grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* cta section */
.idx-btn--dark {
  background: linear-gradient(180deg, #3a3a50 0%, #28283a 50%, #1c1c2a 100%);
}

.idx-btn--acc {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  background: linear-gradient(180deg, #d4ff40 0%, #c8f520 35%, #b8e600 100%);
  color: #1a1a1a;
  border-color: rgba(255, 255, 255, 0.4);
  box-shadow:
    0 6px 20px rgba(0, 0, 0, 0.32),
    inset 0 1px 0 rgba(255, 255, 255, 0.55);
}

.idx-btn__pro {
  flex-shrink: 0;
  padding: 5px 9px;
  font-size: 11px;
  font-weight: 900;
  letter-spacing: 0.06em;
  line-height: 1;
  color: #1a1a1a;
  background: rgba(0, 0, 0, 0.14);
  border-radius: 8px;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

.idx-btn__pro-txt {
  font-weight: 700;
  font-size: 14px;
  line-height: 1.25;
  text-align: left;
}

.idx-cta__btns .idx-btn--acc {
  padding: 14px 20px;
}

.idx-cta__btns {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.idx-cta__btns .idx-btn {
  text-align: center;
  padding: 16px 22px;
  width: 100%;
}

@media (min-width: 768px) {
  .idx-cta__btns {
    flex-direction: row;
    flex-wrap: wrap;
  }

  .idx-cta__btns .idx-btn {
    flex: 1;
    min-width: 200px;
  }
}